通信：光交换，有望引领下一个光子通信时代

Investment Rating - The industry investment rating is "Increase" [4] Core Viewpoints - Photonic communication is expected to enter a new era with optical switching, which breaks the speed limitations of traditional electronic switches and significantly reduces power consumption and costs [1][3] - The Optical Circuit Switch (OCS) operates without optical-electrical conversion, utilizing wave division multiplexing and cross-connects to forward signals, thus lowering hardware costs and power consumption [1][2] - The optical switching market is projected to experience rapid growth, with shipments expected to rise from approximately 10,000 units in 2023 to over 50,000 units by 2029 [3] Summary by Sections Optical Switching Technologies - Various technologies for optical switching include 3D MEMS, liquid crystal, direct light beam steering (DLBS), and AWGR optical waveguide [1][2] - MEMS-based optical switches utilize mechanical mirrors to adjust routing, while liquid crystal technology leverages electro-optical effects to achieve light beam steering [2] - AWGR routers are passive optical waveguide components that provide high integration, low cost, and low energy consumption for routing and distribution [2] Market Potential - The optical switching industry is anticipated to reach a critical growth point, with significant orders already being placed, indicating an acceleration in market adoption [3] - The technology is seen as a vital pathway to achieving an all-optical network, particularly in the context of increasing bandwidth and decreasing computing costs [3] Key Companies to Watch - Companies with deep investments in OCS technology include Zhongji Xuchuang, Dekor, Guangxun Technology, Tengjing Technology, Xinyi Sheng, and Tianfu Communication [3]